Home / 89,432.52-123,365.48-55,840.20

Finding the Fourth Proportional to 89,432.52, 123,365.48 and 55,840.20

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Solution

The fourth proportional to 89,432.52, 123,365.48 and 55,840.20 is: 77,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,432.52 : 123,365.48 = 55,840.20 : x
  2. Step 2: Convert to fraction form
    89,432.52/123,365.48 = 55,840.20/x
  3. Step 3: Cross multiply
    89,432.52x = 123,365.48 × 55,840.20
  4. Step 4: Simplify right side
    89,432.52x = 6,888,752,459.47
  5. Step 5: Solve for x
    x = 6,888,752,459.47/89,432.52
  6. Step 6: Final answer
    x = 77,027.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.